split config files into 2 types: overall, obs_config (for each obs types)

config/config_overall.yaml

+---
+###############################################
+#
+#  Configuration file for CSST simulation
+#           Overall settings
+#  CSST-Sim Group, 2024/01/08
+#
+###############################################
+
+# Base diretories and naming setup
+# can add some of the command-line arguments here as well;
+# ok to pass either way or both, as long as they are consistent
+work_dir: "/share/home/fangyuedong/20231211/workplace/"
+data_dir: "/share/simudata/CSSOSDataProductsSims/data/"
+run_name: "test20231218_c6_onlyCat"
+
+# Project cycle and run counter are used to name the outputs
+project_cycle: 6
+run_counter: 1
+
+# Run options
+run_option:
+  use_mpi: NO
+  # NOTE: "n_threads" paramters is currently not used in the backend
+  # simulation codes. It should be implemented later in the web frontend
+  # in order to config the number of threads to request from NAOC cluster
+  n_threads: 80
+
+  # Output catalog only?
+  # If yes, no imaging simulation will run
+  out_cat_only: YES
+
+###############################################
+# Catalog setting
+###############################################
+# Configure the input catalog: options should be implemented
+# in the corresponding (user defined) 'Catalog' class
+catalog_options:
+  input_path:
+    cat_dir: "Catalog_C6_20221212"
+    star_cat: "C6_MMW_GGC_Astrometry_healpix.hdf5"
+    galaxy_cat: "cat2CSSTSim_bundle/"
+    AGN_cat: "AGN_C6_ross13_rand_pos_rmax-1.3.fits"
+
+  SED_templates_path:
+    star_SED: "Catalog_20210126/SpecLib.hdf5"
+    galaxy_SED: "Catalog_C6_20221212/sedlibs/"
+    AGN_SED: "quickspeclib_ross13.fits"
+    AGN_SED_WAVE: "wave_ross13.npy"
+
+  # Only simulate stars?
+  star_only: YES
+
+  # Only simulate galaxies?
+  galaxy_only: NO
+
+  # rotate galaxy ellipticity
+  rotateEll: 0. # [degree]
+
+  seed_Av: 121212    # Seed for generating random intrinsic extinction
+
+###############################################
+# Observation setting
+###############################################
+obs_setting:
+  # (Optional) a file of point list 
+  # if you just want to run default pointing:
+  # - pointing_dir: null
+  # - pointing_file: null
+  pointing_dir: "/share/simudata/CSSOSDataProductsSims/data/"
+  pointing_file: "pointing_radec_246.5_40.dat"
+
+  # Whether to enable astrometric modeling
+  enable_astrometric_model: True
+
+  # Whether to enable straylight model
+  enable_straylight_model: True
+
+  # Cut by saturation magnitude in which band?
+  cut_in_band: "z"
+
+  # saturation magnitude margin
+  mag_sat_margin: -2.5
+  # mag_sat_margin: -15.
+
+  # limiting magnitude margin
+  mag_lim_margin: +1.0
+
+###############################################
+# PSF setting
+###############################################
+psf_setting:
+  
+  # Which PSF model to use:
+  # "Gauss": simple gaussian profile
+  # "Interp": Interpolated PSF from sampled ray-tracing data
+  psf_model: "Interp"
+
+  # PSF size [arcseconds]
+  # radius of 80% energy encircled
+  # NOTE: only valid for "Gauss" PSF
+  # psf_rcont: 0.15
+
+  # path to PSF data
+  # NOTE: only valid for "Interp" PSF
+  # PSF models for photometry survey simulation
+  psf_pho_dir: "/share/simudata/CSSOSDataProductsSims/data/psfCube1"
+  # PSF models for slitless spectrum survey simulation
+  psf_sls_dir: "/share/simudata/CSSOSDataProductsSims/data/SLS_PSF_PCA_fp/"
+
+###############################################
+# Shear setting
+###############################################
+
+shear_setting:
+  # Options to generate mock shear field:
+  # "constant": all galaxies are assigned a constant reduced shear
+  # "catalog": get shear values from catalog
+  shear_type: "constant"
+
+  # For constant shear field
+  reduced_g1: 0.
+  reduced_g2: 0.
+
+###############################################
+# Output options
+###############################################
+output_setting:
+  output_format:  "channels" # Whether to export as 16 channels (subimages) with pre- and over-scan ("image"/"channels")
+  shutter_output: OFF # Whether to export shutter effect 16-bit image
+  prnu_output:    OFF # Whether to export the PRNU (pixel-to-pixel flat-fielding) files
+
+###############################################
+# Random seeds
+###############################################
+random_seeds:
+  seed_poisson:         20210601  # Seed for Poisson noise
+  seed_CR:              20210317  # Seed for generating random cosmic ray maps
+  seed_flat:            20210101  # Seed for generating random flat fields
+  seed_prnu:            20210102  # Seed for photo-response non-uniformity
+  seed_gainNonUniform:  20210202  # Seed for gain nonuniformity
+  seed_biasNonUniform:  20210203  # Seed for bias nonuniformity
+  seed_rnNonUniform:    20210204  # Seed for readout-noise nonuniformity
+  seed_badcolumns:      20240309  # Seed for bad columns
+  seed_defective:       20210304  # Seed for defective (bad) pixels
+  seed_readout:         20210601  # Seed for read-out gaussian noise
+...
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config/obs_config_SCI_WIDE.yaml

+---
+###############################################
+#
+#  Configuration file for CSST simulation
+#  For single exposure type:
+#                SCI-WIDE
+#  CSST-Sim Group, 2024/01/08
+#
+###############################################
+
+# Observation type
+obs_type: "SCIE"
+...
\ No newline at end of file